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13137347651677 = 174491721125069
BaseRepresentation
bin1011111100101100011011…
…1100001010100001011101
31201111220210100100011010121
42333023012330022201131
53210220241444323202
643535114133234541
72524066502361634
oct277130674124135
951456710304117
1013137347651677
114205577294327
121582133192a51
13743b00ba9222
14335bcb2a651b
1517baec5d7537
hexbf2c6f0a85d

13137347651677 has 8 divisors (see below), whose sum is σ = 13941113067000. Its totient is φ = 12337024487424.

The previous prime is 13137347651651. The next prime is 13137347651683. The reversal of 13137347651677 is 77615674373131.

It can be written as a sum of positive squares in 4 ways, for example, as 4170850414756 + 8966497236921 = 2042266^2 + 2994411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13137347651677 - 231 = 13135200168029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13137347652677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860554902 + ... + 860570167.

It is an arithmetic number, because the mean of its divisors is an integer number (1742639133375).

Almost surely, 213137347651677 is an apocalyptic number.

13137347651677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13137347651677 is a deficient number, since it is larger than the sum of its proper divisors (803765415323).

13137347651677 is a wasteful number, since it uses less digits than its factorization.

13137347651677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721125535.

The product of its digits is 46675440, while the sum is 61.

The spelling of 13137347651677 in words is "thirteen trillion, one hundred thirty-seven billion, three hundred forty-seven million, six hundred fifty-one thousand, six hundred seventy-seven".

Divisors: 1 17 449 7633 1721125069 29259126173 772785155981 13137347651677